Discontinued Operations - Major Classes of Assets and Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current assets
Current assets of discontinued operations	$ 0	$ 8
Current liabilities
Current liabilities of discontinued operations	0	5
Noncurrent liabilities of discontinued operations	$ 0	2
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Spin-Off of Atleos
Current assets
Accounts receivable, net of allowances		4
Inventories		3
Prepaid and other current assets		1
Current assets of discontinued operations		8
Total assets of discontinued operations		8
Current liabilities
Contract liabilities		3
Other current liabilities		2
Current liabilities of discontinued operations		5
Pension and indemnity plan liabilities		2
Noncurrent liabilities of discontinued operations		2
Total liabilities of discontinued operations		$ 7